injection

noun

in·​jec·​tion in-ˈjek-shən How to pronounce injection (audio)
1
a
: an act or instance of injecting
b
: the placing of an artificial satellite or a spacecraft into an orbit or on a trajectory
also : the time or place at which injection occurs
2
: something (such as a medication) that is injected
3
: a mathematical function that is a one-to-one mapping compare bijection, surjection

Examples of injection in a Sentence

The medicine cannot be taken orally; it must be given by injection. an injection of a painkiller The struggling company needed an injection of cash.
Recent Examples on the Web Thomas Eugene Creech was scheduled to be executed by lethal injection Wednesday, according to the Idaho Department of Correction, in what would have been the state's first execution in 12 years. James Powel, USA TODAY, 29 Feb. 2024 Ivan Cantu died Wednesday evening at the Huntsville State Penitentiary by lethal injection. Albinson Linares, NBC News, 29 Feb. 2024 Despite mounting doubts about his guilt, Cantu was executed at 6:47 Central time on Wednesday in Huntsville by lethal injection, in a small room known as the death chamber, with its seafoam-green walls and gurney with restraints. María Luisa Paúl, Washington Post, 28 Feb. 2024 Cantu, 50, was put to death by lethal injection, with the time of death recorded as 6:47 p.m., the Texas Department of Criminal Justice said in a news release. Dakin Andone, CNN, 28 Feb. 2024 But this already difficult situation was complicated last spring by a shortage of a specific penicillin injection that is the go-to treatment for syphilis. Catherine Sweeney, NPR, 26 Feb. 2024 The comedian revealed that she had been diagnosed with exogenous Cushing syndrome due to receiving high doses of steroid injections. Madeline Nguyen, The Arizona Republic, 25 Feb. 2024 After two postponements in 2012 and 2023, his execution by lethal injection is scheduled for Feb. 28 barring a last-minute appeal. Albinson Linares, NBC News, 22 Feb. 2024 Both Smith and Miller had initially been scheduled to die by lethal injection, but Smith's first execution attempt was botched and Miller's was called off. S. Dev, CBS News, 21 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'injection.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of injection was in the 15th century

Dictionary Entries Near injection

Cite this Entry

“Injection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/injection. Accessed 19 Mar. 2024.

Kids Definition

injection

noun
in·​jec·​tion in-ˈjek-shən How to pronounce injection (audio)
1
: an act or instance of injecting
2
: something (as a medical drug) that is injected

Medical Definition

injection

noun
in·​jec·​tion in-ˈjek-shən How to pronounce injection (audio)
1
a
: the act or an instance of injecting a drug or other substance into the body
b
: a solution (as of a drug) intended for injection (as by catheter or hypodermic syringe) either under or through the skin or into the tissues, a vein, or a body cavity
c
: an act or process of injecting vessels or tissues
also : a specimen prepared by injection
2
: the state of being injected : congestion see circumcorneal injection
Last Updated: - Updated example sentences
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